/Engine/Plugins/Media/ElectraCDM/Source/ElectraCDM/Public/ElectraCDM.h
Releases all license keys associated by the specified session. Must be called before callingReleasePlayerSessionID().
[ECDMError](API\Plugins\ElectraCDM\ElectraCDM__ECDMError) ReleasePlayerSessionKeys ( [IPlayerSession](API\Plugins\ElectraCDM\IMediaCDM\IPlayerSession) * InPlayerSession )